<template>
  <view>
    
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <!-- 循环渲染轮播图的 item 项 -->
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
          <!-- 动态绑定图片的 src 属性 -->
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
  <!-- 分类导航区域 -->
    <view class="nav-list">
       <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
         <image :src="item.image_src" class="nav-img"></image>
       </view>
    </view>
    
    
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层item项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
        
      </view>
     
    </view>
    
    
    
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        // 轮播图的数据列表
        swiperList: [],
        navList:[],
        floorList: []
      };
    },
    onLoad() {
    // 2. 在小程序页面刚加载的时候，调用获取轮播图数据的方法
    this.getSwiperList()
    this.getNavList()
    this.getFloorList()
    },
    methods:{
     async getSwiperList() {
      // 3.1 发起请求
      const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
      if(res.meta.status!==200) return uni.$showMsg()
      this.swiperList = res.message
      },
      async getNavList(){
        const {data : res} = await uni.$http.get("/api/public/v1/home/catitems")
        if(res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      navClickHandler(item){
        if(item.name === "分类"){
          uni.switchTab({
            url:"/pages/cate/cate"
          })
        }
      },
      async getFloorList(){
        const {data : res} = await uni.$http.get("/api/public/v1/home/floordata")
        if(res.meta.status !== 200) return uni.$showMsg()
        
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        
        this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
      
    }
  }
</script>

<style lang="scss">
  
.search-box{
  // 设置定位效果为吸顶
  position: sticky;
  // 吸顶位置
  top: 0;
  // 提高层级，防止被轮播图覆盖
  z-index: 999;
}
  
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title{
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}

</style>
